| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 396 |
33.1%
|
| 2 | Worse | 124 |
10.4%
|
| 3 | Same | 44 |
3.7%
|
| 4 | Better | 211 |
17.6%
|
| 5 | Much better | 160 |
13.4%
|
| 9 | Don't know | 262 |
21.9%
|
| 998 | Refused | 0 |
0%
|